16655510010 has 64 divisors (see below), whose sum is σ = 42154790400. Its totient is φ = 4199936832.

The previous prime is 16655509979. The next prime is 16655510051. The reversal of 16655510010 is 1001555661.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 16655510010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285081 + ... + 338499.

It is an arithmetic number, because the mean of its divisors is an integer number (658668600).

Almost surely, 2^16655510010 is an apocalyptic number.

16655510010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16655510010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21077395200).

16655510010 is an abundant number, since it is smaller than the sum of its proper divisors (25499280390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16655510010 is a wasteful number, since it uses less digits than its factorization.

16655510010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53995.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 16655510010 in words is "sixteen billion, six hundred fifty-five million, five hundred ten thousand, ten".